2666436662 has 8 divisors (see below), whose sum is σ = 4020379176. Its totient is φ = 1326310272.

The previous prime is 2666436637. The next prime is 2666436673. The reversal of 2666436662 is 2666346662.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3453548 + ... + 3454319.

It is an arithmetic number, because the mean of its divisors is an integer number (502547397).

Almost surely, 2^2666436662 is an apocalyptic number.

2666436662 is a deficient number, since it is larger than the sum of its proper divisors (1353942514).

2666436662 is a wasteful number, since it uses less digits than its factorization.

2666436662 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6908062.

The product of its digits is 2239488, while the sum is 47.

The square root of 2666436662 is about 51637.5508908004. The cubic root of 2666436662 is about 1386.6826784728.

Subtracting from 2666436662 its reverse (2666346662), we obtain a square (90000 = 300²).

The spelling of 2666436662 in words is "two billion, six hundred sixty-six million, four hundred thirty-six thousand, six hundred sixty-two".